EP3117622B1 - Display apparatus and controlling method thereof - Google Patents

Display apparatus and controlling method thereof Download PDF

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Publication number
EP3117622B1
EP3117622B1 EP15760639.3A EP15760639A EP3117622B1 EP 3117622 B1 EP3117622 B1 EP 3117622B1 EP 15760639 A EP15760639 A EP 15760639A EP 3117622 B1 EP3117622 B1 EP 3117622B1
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EP
European Patent Office
Prior art keywords
mode
motion
display apparatus
user
display
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP15760639.3A
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German (de)
English (en)
French (fr)
Other versions
EP3117622A1 (en
EP3117622A4 (en
Inventor
Bong-Seok Lee
Dong-Hun Lee
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
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Samsung Electronics Co Ltd
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Publication date
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Priority to EP19196490.7A priority Critical patent/EP3598765A1/en
Publication of EP3117622A1 publication Critical patent/EP3117622A1/en
Publication of EP3117622A4 publication Critical patent/EP3117622A4/en
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/017—Gesture based interaction, e.g. based on a set of recognized hand gestures
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/0304—Detection arrangements using opto-electronic means
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
    • G06F3/04842—Selection of displayed objects or displayed text elements
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/16—Human faces, e.g. facial parts, sketches or expressions
    • G06V40/174—Facial expression recognition
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/20—Movements or behaviour, e.g. gesture recognition
    • G06V40/28—Recognition of hand or arm movements, e.g. recognition of deaf sign language

Definitions

  • Apparatuses and methods consistent with exemplary embodiments relate to a display apparatus which is controlled by a user motion input through a motion recognition unit, and a controlling method thereof.
  • GUI graphical user interface
  • Exemplary embodiments address at least the above problems and/or disadvantages and other disadvantages not described above. Also, the exemplary embodiments are not required to overcome the disadvantages described above, and may not overcome any of the problems described above.
  • One or more exemplary embodiments provide a display apparatus which is capable of performing a motion task through two steps of motion recognition and a controlling method thereof.
  • the controller is further configured to control the display to display a mode conversion icon configured to activate the motion task mode and a pointer configured to move toward the mode conversion icon according to the first motion.
  • the controller is further configured to enter the motion task mode in response to the pointer moving to and being placed on the mode conversion icon according to the first motion.
  • the controller is further configured to control the display to display the guideline through a motion pattern guide UI which guides the user to take a predetermined motion to enter the motion task mode.
  • the controller is further configured to enter the motion task mode in response to a pattern of the first motion that corresponds to the motion pattern guide UI being recognized.
  • the controller is further configured to drive the display in a general driving mode before the motion conversion UI being displayed, and convert the general driving mode to a power driving mode in response to the motion conversion UI being displayed.
  • the controller is further configured to convert the power driving mode to the general driving mode in response to the predetermined motion not being recognized within a predetermined time after the mode conversion UI is displayed.
  • the controller is further configured to recognize an object and control the display to display the mode conversion UI in response to the object being recognized, and wherein the motion task mode is controlled by tracking a motion of the recognized object.
  • the object may be one of a hand, a finger, an arm, and a face of a user, or an inanimate object. According to another aspect of an exemplary embodiment, there is provided a controlling method as defined by claim 1.
  • the method may further include determining whether the first motion is performed within a predetermined size of a region that covers an area of the displayed guideline.
  • the method may further include switching the intermediate mode to the initial mode in response to the display apparatus failing to recognize the first motion within a predetermined period of time.
  • the method may further include changing an visual indicator of the guideline while the first motion is being recognized and processed.
  • the changing the visual indicator of the guideline comprises changing a typeface or a color of the guideline while the first motion is being recognized and processed.
  • the changing the visual indicator of the guideline comprises keeping the visual indicator flashing while the first motion is being recognized and processed.
  • a user may perform a motion task of a display apparatus through two steps of motion recognition without inconvenience due to misrecognition. Accordingly, a control function of a display apparatus which a user can use conveniently can be provided.
  • FIG. 1 is a block diagram illustrating configuration of a display apparatus 100 according to an exemplary embodiment.
  • the display apparatus 100 includes a motion recognition unit 110, a display 120, a controller 130, and a voice recognition unit 111.
  • the display apparatus may be a smart TV, but this is only an example.
  • the display apparatus 100 may be realized as various apparatuses having a display unit, such as smart phone, tablet PC, notebook PC, monitor, electronic album, kiosk, etc., but is not limited thereto.
  • the motion recognition unit 110 photographs an object and recognizes a user motion. Specifically, the motion recognition unit 110 photographs and recognizes an object using a photographing apparatus (for example, a camera, etc.), and may recognize a user motion by tracking a motion of the recognized object.
  • a photographing apparatus for example, a camera, etc.
  • the display 120 displays image data or various user interfaces (UIs) under the control of the controller 130.
  • the display 120 may display a mode conversion UI and a motion task UI.
  • the mode conversion UI may refer to a UI for switching a current mode to a motion task mode which allows a user to control various functions (e.g., volume and channel control) of the display apparatus 100.
  • the motion task UI may refer to a UI for controlling various control functions of the display apparatus 110 in the motion task mode.
  • the controller 130 controls overall configuration of the display apparatus 100. If an object is recognized through the motion recognition unit 110, the controller 130 controls the display 120 to display a motion conversion UI.
  • the motion recognition unit 110 may further detect a motion of the object, and the controller 130 may enable the display 120 to display the motion conversion UI based on the recognized object and motion.
  • the voice recognition unit 111 may detect a voice command required to activate the motion conversion UI.
  • the motion recognition unit 110 may determine whether the detected user motion corresponds to a predetermined user motion set to activate the motion task mode. If the motion recognition unit 110 determines the detected user motion as corresponding to the predetermined user motion, the controller 130 may convert the current mode of the display apparatus 100 to the motion task mode. In addition, the controller 120 may control the display 120 to display a motion task UI and perform the motion task mode based on an input received through the motion task UI.
  • the controller 130 may control the display 120 to display the motion conversion UI and convert the current mode of the display apparatus 100 to the motion task mode in response to an input received through the motion conversion UI.
  • the controller 130 may control the display 120 to display a mode conversion icon for converting to the motion task mode and a pointer which moves according to a user motion.
  • the controller 130 may control the display 120 to display a motion pattern guide UI for guiding a user's predetermined motion pattern (for example, a motion pattern of waving a hand left and right).
  • the controller 130 may operate the display apparatus 100 in a general driving mode before the motion recognition unit 110 recognizes the object, and convert the general driving mode to a power driving mode after the motion recognition unit 110 recognizes the object.
  • the power driving mode may be a mode where the controller 130 uses more power (e.g., increasing the clock rate of the controller 130) to control the motion recognition unit 110 than the general driving mode.
  • the controller 130 may convert the current mode of the display apparatus 100 to the motion task mode. Then, the controller 130 may be able to control the display apparatus 100 using a user motion. For example, if a mode conversion icon and a pointer are displayed on the display 120, the pointer moves to the motion conversion icon according to a first user motion, and a second user motion of selecting the mode conversion icon is recognized, the controller 130 may convert the current mode of the display apparatus 100 to the motion task mode based on the second user motion. Furthermore, the display 120 may display a motion pattern guide UI which provides information of an associated predetermined motion that the user is expected to fulfill in order to enter the motion task mode. If the motion recognition unit 110 recognizes the associated motion pattern, the controller 130 may convert the current mode of the display apparatus 100 to the motion task mode.
  • a motion pattern guide UI which provides information of an associated predetermined motion that the user is expected to fulfill in order to enter the motion task mode. If the motion recognition unit 110 recognizes the associated motion pattern, the controller 130 may convert the current mode of the display apparatus 100 to the
  • the controller 130 may control the display 110 to display a motion task UI for performing the motion task mode.
  • the motion task UI may include icons for volume control, change of channels, internet search engine, etc.
  • the controller 130 may convert the power driving mode to the general driving mode.
  • the display apparatus 100 may prevent unintentional mode change that may be caused by misrecognition of a user motion.
  • FIG. 2 is a block diagram illustrating configuration of the display apparatus 100 in detail.
  • the display apparatus 100 includes the motion recognition unit 110, the voice recognition unit 111, the display 120, the controller 130, a storage 140, an image receiver 150, an image processor 160, an audio processor 170, an audio output unit 180, and an interface unit 190.
  • the motion recognition unit 110 photographs an object and recognizes a user motion in an initial mode of the display apparatus 100. Specifically, the motion recognition unit 110 photographs and recognizes an object using a photographing apparatus (for example, a camera, etc.), and may recognize a user motion by tracking a motion of the recognized object. In addition, the motion recognition unit 110 receives an image signal (for example, successive frames) of an object and a user motion photographed and provides the image signal to the controller 130.
  • the motion recognition unit 110 may be realized as a camera unit consisting of a lens and an image sensor.
  • the motion recognition unit 110 may be realized in a united form with the display apparatus 100 or separately from the display apparatus 100.
  • the motion recognition unit 110 which is separate from the display apparatus 100 may be connected via cable or wirelessly.
  • the object may be a human hand or an object in the shape of a stick.
  • an object which is distinguished from various body parts including a finger, an arm, and a face may be recognized as an object.
  • the motion recognition unit 110 may predetermine and store an object which can be recognized. If using a predetermined object is used may be advantageous for the motion recognition unit 110 to analyze the shape and motion of an object. For example, if a user motion is recognized using an object in a predetermined shape, it may take less time for the motion recognition unit 110 to analyze the shape of the motion.
  • the display 120 displays an image signal input from various sources.
  • the display 120 may display an image corresponding to an image signal received through an image receiver.
  • the display 120 may display image data (for example, a moving image) input through an external terminal input unit.
  • the display 120 may display the mode conversion UI for converting to the motion task mode.
  • the motion conversion UI may include a mode conversion icon and a pointer which moves according to a user motion.
  • the motion conversion UI may include a motion pattern guide UI for guiding a user's predetermined motion pattern.
  • the display 120 may display a motion task UI for performing the motion task mode.
  • the state of the display apparatus 100 where the motion conversion UI is displayed may be referred to as a intermediate mode.
  • the motion task UI may include icons to control various functions of the display apparatus 100. For example, if the display apparatus 100 is a smart TV, the motion task UI may include icons to perform at least one of change of channels, volume control, Internet browsing, search and play of stored contents (for example, moving image, music, photo, etc.), and search of a connected external device, etc.
  • the storage 140 stores various programs and data necessary for the operations of the display apparatus 100.
  • the storage 140 may include Random Access Memory (RAM) and Read-Only Memory (ROM).
  • RAM Random Access Memory
  • ROM Read-Only Memory
  • the ROM transmits data and a command to a CPU uni-directionally
  • the RAM is generally used to transmit data and a command bi-directionally.
  • the image receiver 150 receives a stream signal and transmits the stream signal to the controller 130 or the image processor 160.
  • the image processor 160 processes a signal regarding image information constituting contents. Once a stream signal is received, the image processor 160 may divide the signal into an image signal, a sound signal, and a data signal by de-multiplexing the stream. If the de-multiplexed image signal is an encoded image signal, the image processor 160 performs decoding using a decoder. For example, the image processor 160 may decode an encoded image signal in MPEG-2 standard using an MPEG-2 decoder, and decode an image signal in Digital Multimedia Broadcasting (DMB) or H. 264 standard of DVB-H using an H.264 decoder. In addition, the image processor 160 may process brightness, tint, color tone, etc., of an image signal.
  • DMB Digital Multimedia Broadcasting
  • the audio processor 170 generates an audio signal by performing various audio signal processing such as audio decoding, noise filtering, amplification, etc. with respect to audio data of each content.
  • the audio signal generated by the audio processor 170 is provided to the audio output unit 180.
  • the audio output unit 180 outputs an audio signal generated by the audio processor 170.
  • the audio output unit 180 may be realized in a united form with the display apparatus 100 or separately from the display apparatus 100.
  • the audio output unit 180 which is separate from the display apparatus 100 is connected to the display apparatus 100 via cable or wirelessly.
  • the interface unit 190 allows the display apparatus 100 to exchange commands with a user.
  • the interface unit 190 may include keypad, touch screen, remote controller, mouse, etc.
  • the controller 130 controls other elements of the display apparatus 100 such as the motion recognition unit 110, the display 120, etc.
  • the controller 130 may include Read Only Memory (ROM) and Random Access Memory (RAM) for storing modules and data to control a CPU and the display apparatus 100.
  • ROM Read Only Memory
  • RAM Random Access Memory
  • the motion recognition unit 110 may be implemented in the controller 130 as a motion detecting module and motion database, and the motion detecting module of the controller 130 may recognize an object and a user motion from an image of the object and the user motion that is captured by a camera connected to the controller 130.
  • the controller 130 may divide the image (e.g., successive frames) corresponding to the user motion input into a background area and an object area using the motion recognition module, and recognize successive motions of the object.
  • the controller 130 stores the successive frames of the received image, and detects the object and the user motion from the stored frames.
  • the controller 130 detects the object by detecting at least one of one of shape, color, and motion of the objects included in the frames.
  • the controller 130 may track the motion of the detected object using the location of each object included in of the successive frames. In this case, the controller 130 may determine whether the detected motion corresponds to a predetermined user motion which is set to activate the motion task mode.
  • the controller 130 determines a motion according to the tracked shape and motion of the object. For example, the controller 130 determines a user motion by using at least one of change, speed, location, and direction of the object.
  • the user motion includes a grab where a hand is closed, a pointing move where a displayed cursor is moved by a hand, a slap where a hand is moved in one direction at a speed faster than a predetermined speed, a shake where a hand is shaken left/right or up/down, and a rotation where a hand is rotated.
  • a spread motion where a closed hand is spread may be further included.
  • the controller 130 determines whether an object goes beyond a predetermined area (e.g., a square of 40cm x 40cm) within a predetermined time (e.g.,800ms) in order to determine whether a user motion is a pointing move or a slap. If the object does not go beyond the predetermined area within the predetermined time, the controller 130 may determine that the user motion is a pointing move. However if the object goes beyond the predetermined area within the predetermined time, the controller 130 may determine that the user motion is a slap. Furthermore, if it is determined that the speed of an object is the same or less than a predetermined speed (e.g., 30cm/s), the controller 130 determines that the user motion is a pointing move. However, if the speed of the object exceeds the predetermined speed, the controller 130 determines that the user motion is a slap.
  • a predetermined area e.g., a square of 40cm x 40cm
  • a predetermined time
  • the controller 130 performs a motion task function in the display apparatus 100 using a recognized motion.
  • the controller 130 controls the display 120 to display a motion conversion UI for converting to the motion task mode. If a predetermined user motion is recognized through the motion recognition unit 110 using the displayed motion conversion UI, the controller 130 converts the mode of the display apparatus 100 to the motion task mode to control the display apparatus 100 using a user motion. In addition, the controller 130 controls the display 120 to display a motion task UI for performing the motion task mode.
  • the controller 130 may control the display 120 to display a mode conversion icon for converting to the motion task mode and a pointer which moves according to a user motion. In this case, if the pointer moves to the mode conversion icon according to a first user motion and a second user motion of selecting the mode conversion icon is recognized, the controller 130 may control the display apparatus 100 to enter the motion task mode.
  • the controller 130 may control the display 120 to display a mode conversion icon and a pointer which moves according to a user motion on a part of the screen.
  • the mode conversion icon and the pointer may be transparent or semi-transparent in order to minimize interference with a user's viewing.
  • the mode conversion icon may include a message indicating a motion or a series of motions that the user is expected to fulfill to activate the motion task mode. For example, if a motion of grabbing the mode conversion icon is required, as illustrated in FIG. 4A , the message of ⁇ Grab here' may be inserted into the icon.
  • the motion recognition unit 110 may determine whether the motion occurs within a certain region around the mode conversion icon. For example, if the motion recognition unit 110 determines that the detected motion occurs within a dashed-lined region of FIG. 4A , the motion recognition unit 110 may recognize the detected motion as corresponding to a motion for activating the motion task mode.
  • the pointer may move to the mode conversion icon according to the recognized user motion.
  • the controller 130 activates the motion task mode.
  • a user motion for selecting the mode conversion icon and activating the motion task mode is not limited to grabbing, and may include clicking, dragging, shaking, etc.
  • the display 120 may not display the pointer, and may use other visual indicators to indicate that a user motion is recognized and being processed.
  • the mode conversion icon may start flashing or the appearance of the icon (e.g., typeface, color, etc.) may change while the user motion is being recognized and processed.
  • the controller 130 may control the display 120 to display a motion task UI.
  • the controller 130 may control various functions of the display apparatus 100 through the motion task UI according to a user motion which is recognized by tracking a recognized object. For example, the controller 130 may perform volume control, change of channels, etc. as illustrated in the left and right sides of FIG. 4C .
  • the controller 130 may perform Internet browsing, media content search, reservation setting, etc. using icons in the upper right side of FIG. 4C .
  • the controller 130 may control the display 120 to display a motion pattern guide UI for guiding a user's predetermined motion pattern to convert to the motion task mode. In this case, if a user motion having a pattern corresponding to the motion pattern guide UI is recognized, the controller 130 may activate the motion task mode.
  • the controller 130 may control the display 120 to display a motion pattern guide UI on a part of the screen.
  • the motion pattern UI may be transparent or semi-transparent to minimize interference with a user viewing contents.
  • the motion pattern guide UI may be represented as a guidance message with a simple arrow to inform a user motion that a user should take.
  • the controller 130 may display the message of 'Shake hand' with a bidirectional arrow on the display 120 to lead a user to perform the motion of shaking a hand along so that a user may understand the motion to take intuitively.
  • FIG. 5A the controller 130 may display the message of 'Shake hand' with a bidirectional arrow on the display 120 to lead a user to perform the motion of shaking a hand along so that a user may understand the motion to take intuitively.
  • the controller 130 converts the mode of the display apparatus 100 to the motion task mode.
  • the controller 130 may control the display 120 to additionally display a pointer which moves according to a user motion so as to allow a user to check the state where a user motion is recognized. For example, if a user waves a hand according to a motion pattern guide UI for guiding the motion of waving a hand, the controller 130 may control the display 120 to display a pointer moving left and right in accordance with the user's motion of waving a hand on a part of the screen. If the display apparatus 100 is in the motion task mode, as illustrated in FIG.
  • the controller 130 controls the display 120 to display a motion task UI.
  • the controller 130 may control to perform various functions of the display apparatus 100 using icons on the motion task UI according to a user motion which is recognized by tracking a recognized object.
  • the controller 130 may perform functions such as volume control, change of channels, etc. as illustrated in the left and right sides of FIG. 5C .
  • the controller 10 may also perform Internet browsing, media content search, reservation setting, etc. using icons displayed on the upper right side of FIG. 5C .
  • the controller 130 may control the display 120 to display a motion pattern guide UI on a part of the screen.
  • the motion pattern guide UI may be transparent or semi-transparent in order to minimize interference with a user viewing contents.
  • the motion pattern guide UI may include a guidance message or an animation guide for informing a user of a motion to take.
  • the controller 130 may display the message of ⁇ Click" along with an animation showing a clicking operation using a finger to lead a user to perform a clicking operation using a finger so that the user may understand the motion to take intuitively.
  • FIG. 6A the controller 130 may display the message of ⁇ Click" along with an animation showing a clicking operation using a finger to lead a user to perform a clicking operation using a finger so that the user may understand the motion to take intuitively.
  • the controller 130 converts the current mode of the display apparatus 100 to the motion task mode. For example, if a user performs a clicking operation according to a motion pattern guide UI for guiding the clicking operation using a finger, the mode of the display apparatus 100 is converted to the motion task mode. If the mode of the display apparatus 100 is converted to the motion task mode, as illustrated in FIG. 6C , the controller 130 controls the display 120 to display a motion task UI. In addition, the controller 130 may perform various functions of the display apparatus 100 using icons on the motion task UI according to a user motion which is recognized by tracking a recognized object.
  • the controller 130 may perform volume control and change of channels as illustrated in the left and right sides of FIG. 6C .
  • the controller 130 may perform Internet browsing, media content search, reservation setting, etc. using icons displayed on the upper right side of FIG. 6C .
  • the controller 130 may drive the display apparatus 100 in the general driving mode before an object is recognized, and convert the general driving mode the power driving mode after the motion recognition unit 110 recognizes the object.
  • the power driving mode is a mode where resources (for example, power consumption) required for the controller 130 to control the motion recognition unit 100 increases in comparison with the general driving mode.
  • the display apparatus 100 performs various functions and thus, it is necessary for the display apparatus 100 to use power and resources of the display apparatus 100 efficiently.
  • the motion recognition unit 110 which performs the function of recognizing a user motion.
  • the controller 130 may control the display apparatus 100 to operate in the general driving mode before the object is recognized in order to reduce distribution of resources required to control the motion recognition unit 100.
  • the controller 130 may reduce the clock rate, power consumption, available memory capacity, and the like in the general driving mode.
  • the controller 130 may convert the general driving mode to the power driving mode to improve accuracy of recognition of the user motion .
  • the controller 130 may increase distribution of resources required to control the motion recognition unit 110 increasing the clock rate, power consumption, available memory capacity, etc. temporarily so that the user motion can be recognized more quickly and accurately.
  • the controller 130 may increase the resolution of a camera constituting the motion recognition unit 110 or a photographed image frame, etc., or increase the number of cameras which are used for recognizing the user motion. According to the above-described feature, the display apparatus 100 with low power and high efficiency, which can determine whether a motion recognition is required preferentially, can be realized.
  • the controller 130 may convert the driving mode of the display apparatus 100 from the power driving mode to the general driving mode. For example, if a user spreads a hand and raises the hand to call someone in a different place, the motion recognition unit 110 recognizes the user's spread hand as an object, and the controller 130 may control the display 120 to display a mode conversion UI and convert the driving mode of the display apparatus 100 to the power driving mode. When such misrecognition happens, a user's predetermined motion would not be recognized until a predetermined time elapses, so the controller 130 may convert the power driving mode to the general driving mode again.
  • the controller 130 may maintain the power driving mode only for a predetermined time period after the mode conversion UI is displayed. Even when the driving mode of the display apparatus 100 is converted to the power driving mode due to possible misrecognition of an object, the controller 130 converts the driving mode of the display apparatus 100 to the general driving mode again after the predetermined time elapses. Thus, unnecessary consumption of CPU resources, power, etc. due to misrecognition of an object can be prevented.
  • the controller 130 may control the display apparatus 100 according to a user motion which is recognized by tracking a recognized object. Specifically, inthe motion task mode, the controller 130 may control the display 120 to display icons for performing several functions on a motion task UI and select icons using a pointer, etc. which moves according to a user motion to execute the corresponding functions of the display apparatus, which are represented as each of the icons.
  • the controller 130 may control the display apparatus 100 according to a user motion which is recognized by tracking only a selected object through a selective motion tracking. Specifically, in order to convert the mode of the display apparatus 100 to the motion task mode, an object should be recognized in the motion recognition unit 110 first. In this case, the controller 130 may control the motion recognition unit 110 to recognize only objects which have a similar shape in a close distance using information regarding the shape, location, etc. of the recognized object. For example, in the motion task mode, the controller 130 may control the display apparatus 100 by moving a recognized object in order to convert the mode of the display apparatus 100 to the motion task mode.
  • the recognized object which is tracked in the motion task mode is not limited to an object which is recognized to convert the mode of the display apparatus 100 to the motion task mode.
  • a user may perform a motion task of the display apparatus through two steps of motion recognition without any inconvenience due to misrecognition.
  • the display apparatus 100 recognizes an object (S710).
  • the object may be one of hand, finger, arm, face, and object.
  • the display apparatus 100 displays a mode conversion UI to convert the current mode of the display apparatus 100 to the motion task mode (S720).
  • the mode conversion UI may refer to an UI for displaying a mode conversion icon and a pointer which moves according to a user motion.
  • the mode conversion UI may also refer to a UI for displaying a motion pattern guide UI.
  • the display apparatus 100 determines whether a predetermined user motion using the mode conversion UI is recognized (S730).
  • the predetermined user motion may be a user motion of selecting the mode conversion icon after the pointer is moved to the mode conversion icon according to a user motion.
  • the predetermined user motion may be also a user motion having a pattern corresponding to the motion pattern guide UI.
  • the mode of the display apparatus 100 is converted to the motion task mode (S740). Subsequently, the display apparatus 100 displays a motion task UI to perform the motion task mode.
  • a user may prevent unintentional mode conversion due to misrecognition of a user motion.
  • the display apparatus 100 operates in the general driving mode before an object is recognized (S810).
  • the display apparatus 100 recognizes an object (S820), and the display apparatus 100 converts the general driving mode to the power driving mode.
  • the power driving mode is a mode where resources (for example, power consumption) required to recognize a user motion are increased.
  • the power driving mode may be a driving mode where resources required to recognized a user motion, such as the clock rate, power consumption, etc. are increased temporarily, the number of cameras used to recognize a user motion is increased, or the resolution of a camera or an image frame is increased.
  • the display apparatus 100 displays a mode conversion UI (S840). After the mode conversion UI is displayed, the display apparatus 100 determines whether a predetermined user motion is recognized within a predetermined time (S850).
  • the current mode of the display apparatus 100 is converted to the motion task mode (S860), and the display apparatus 100 displays a motion task UI (S870).
  • the driving mode of the display apparatus 100 is converted from the power driving mode to the general driving mode (S880).
  • the driving mode of the display apparatus 100 is converted to the power driving mode due to misrecognition of an object, the power driving mode is converted to the general driving mode again after the predetermined time elapses and thus, unnecessary consumption of CPU resources and power can be prevented.
  • the motion task mode can be controlled according to a user motion which is recognized by tracking a recognized object.
  • the motion task UI may display icons for performing various functions, and a user may control the display apparatus 100 by executing corresponding functions which are represented as each of the icons using a pointer that moves according to a user motion. Meanwhile, if a method of processing motion recognition with respect to such an object selectively is performed, the resources of the display apparatus 100 can be used efficiently.
  • a program code for performing a controlling method according to the above-described various exemplary embodiments can be stored in various types of recording medium.
  • the program code can be stored in various types of recording medium which is readable by a terminal, such as Random Access Memory (RAM), flash memory, Read Only Memory (ROM), Erasable Programmable ROM (EPROM), Electronically Erasable and Programmable ROM (EEPROM), register, hard disk, removable disk, memory card, USB memory, CD-ROM, etc.
  • RAM Random Access Memory
  • ROM Read Only Memory
  • EPROM Erasable Programmable ROM
  • EEPROM Electronically Erasable and Programmable ROM
  • register hard disk, removable disk, memory card, USB memory, CD-ROM, etc.

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • User Interface Of Digital Computer (AREA)
EP15760639.3A 2014-03-14 2015-03-12 Display apparatus and controlling method thereof Active EP3117622B1 (en)

Priority Applications (1)

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EP19196490.7A EP3598765A1 (en) 2014-03-14 2015-03-12 Display apparatus and controlling method thereof

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KR1020140030414A KR102171817B1 (ko) 2014-03-14 2014-03-14 디스플레이 장치 및 제어 방법
PCT/KR2015/002385 WO2015137742A1 (en) 2014-03-14 2015-03-12 Display apparatus and controlling method thereof

Related Child Applications (2)

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EP19196490.7A Division-Into EP3598765A1 (en) 2014-03-14 2015-03-12 Display apparatus and controlling method thereof

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EP3117622A1 EP3117622A1 (en) 2017-01-18
EP3117622A4 EP3117622A4 (en) 2017-11-15
EP3117622B1 true EP3117622B1 (en) 2023-04-26

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EP (2) EP3117622B1 (zh)
KR (1) KR102171817B1 (zh)
CN (2) CN106105247B (zh)
WO (1) WO2015137742A1 (zh)

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Also Published As

Publication number Publication date
CN106105247A (zh) 2016-11-09
US10191554B2 (en) 2019-01-29
EP3117622A1 (en) 2017-01-18
KR20150107452A (ko) 2015-09-23
EP3598765A1 (en) 2020-01-22
CN114578951B (zh) 2024-08-09
US20150261305A1 (en) 2015-09-17
EP3117622A4 (en) 2017-11-15
CN114578951A (zh) 2022-06-03
KR102171817B1 (ko) 2020-10-29
WO2015137742A1 (en) 2015-09-17
CN106105247B (zh) 2022-03-08

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